title: [The observation of the effect of metronidazole-chlorhexidine solution on treatment of periapical periodontitis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002710:Chlorhexidine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000008:administration & dosage*; D008875:Middle Aged; D010485:Periapical Periodontitis / Q000188:drug therapy*
chemical_list: D008795:Metronidazole; D002710:Chlorhexidine